/**
 * This program is free software, you can redistribute it and/or modify it.
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This file is a part of the CANN Open Software.
 * Licensed under CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

/*!
 * \file lin_space_base.h
 * \brief
 */
#ifndef LinSpace_BASE_H
#define LinSpace_BASE_H

#include "kernel_operator.h"

namespace LinSpace {
using namespace AscendC;

__aicore__ inline constexpr bool IsDataCopyPadSupport()
{
#if __CCE_AICORE__ == 220
    return true;
#else
    return false;
#endif
}

template <typename T>
class LinSpaceBase {
public:
    __aicore__ inline LinSpaceBase(){};
#ifndef __CCE_UT_TEST__
    constexpr static __gm__ T assistGm[256] = {
        0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
        22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
        44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
        66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
        88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
        110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
        132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
        154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
        176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
        198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
        220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
        242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};
    constexpr static __gm__ T assistGmReverse[256] = {
        -255, -254, -253, -252, -251, -250, -249, -248, -247, -246, -245, -244, -243, -242, -241, -240, -239, -238,
        -237, -236, -235, -234, -233, -232, -231, -230, -229, -228, -227, -226, -225, -224, -223, -222, -221, -220,
        -219, -218, -217, -216, -215, -214, -213, -212, -211, -210, -209, -208, -207, -206, -205, -204, -203, -202,
        -201, -200, -199, -198, -197, -196, -195, -194, -193, -192, -191, -190, -189, -188, -187, -186, -185, -184,
        -183, -182, -181, -180, -179, -178, -177, -176, -175, -174, -173, -172, -171, -170, -169, -168, -167, -166,
        -165, -164, -163, -162, -161, -160, -159, -158, -157, -156, -155, -154, -153, -152, -151, -150, -149, -148,
        -147, -146, -145, -144, -143, -142, -141, -140, -139, -138, -137, -136, -135, -134, -133, -132, -131, -130,
        -129, -128, -127, -126, -125, -124, -123, -122, -121, -120, -119, -118, -117, -116, -115, -114, -113, -112,
        -111, -110, -109, -108, -107, -106, -105, -104, -103, -102, -101, -100, -99,  -98,  -97,  -96,  -95,  -94,
        -93,  -92,  -91,  -90,  -89,  -88,  -87,  -86,  -85,  -84,  -83,  -82,  -81,  -80,  -79,  -78,  -77,  -76,
        -75,  -74,  -73,  -72,  -71,  -70,  -69,  -68,  -67,  -66,  -65,  -64,  -63,  -62,  -61,  -60,  -59,  -58,
        -57,  -56,  -55,  -54,  -53,  -52,  -51,  -50,  -49,  -48,  -47,  -46,  -45,  -44,  -43,  -42,  -41,  -40,
        -39,  -38,  -37,  -36,  -35,  -34,  -33,  -32,  -31,  -30,  -29,  -28,  -27,  -26,  -25,  -24,  -23,  -22,
        -21,  -20,  -19,  -18,  -17,  -16,  -15,  -14,  -13,  -12,  -11,  -10,  -9,   -8,   -7,   -6,   -5,   -4,
        -3,   -2,   -1,   0};
#else
    constexpr static __gm__ float assistGm[256] = {
        0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
        22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
        44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
        66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
        88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
        110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
        132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
        154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
        176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
        198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
        220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
        242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};
    constexpr static __gm__ float assistGmReverse[256] = {
        -255, -254, -253, -252, -251, -250, -249, -248, -247, -246, -245, -244, -243, -242, -241, -240, -239, -238,
        -237, -236, -235, -234, -233, -232, -231, -230, -229, -228, -227, -226, -225, -224, -223, -222, -221, -220,
        -219, -218, -217, -216, -215, -214, -213, -212, -211, -210, -209, -208, -207, -206, -205, -204, -203, -202,
        -201, -200, -199, -198, -197, -196, -195, -194, -193, -192, -191, -190, -189, -188, -187, -186, -185, -184,
        -183, -182, -181, -180, -179, -178, -177, -176, -175, -174, -173, -172, -171, -170, -169, -168, -167, -166,
        -165, -164, -163, -162, -161, -160, -159, -158, -157, -156, -155, -154, -153, -152, -151, -150, -149, -148,
        -147, -146, -145, -144, -143, -142, -141, -140, -139, -138, -137, -136, -135, -134, -133, -132, -131, -130,
        -129, -128, -127, -126, -125, -124, -123, -122, -121, -120, -119, -118, -117, -116, -115, -114, -113, -112,
        -111, -110, -109, -108, -107, -106, -105, -104, -103, -102, -101, -100, -99,  -98,  -97,  -96,  -95,  -94,
        -93,  -92,  -91,  -90,  -89,  -88,  -87,  -86,  -85,  -84,  -83,  -82,  -81,  -80,  -79,  -78,  -77,  -76,
        -75,  -74,  -73,  -72,  -71,  -70,  -69,  -68,  -67,  -66,  -65,  -64,  -63,  -62,  -61,  -60,  -59,  -58,
        -57,  -56,  -55,  -54,  -53,  -52,  -51,  -50,  -49,  -48,  -47,  -46,  -45,  -44,  -43,  -42,  -41,  -40,
        -39,  -38,  -37,  -36,  -35,  -34,  -33,  -32,  -31,  -30,  -29,  -28,  -27,  -26,  -25,  -24,  -23,  -22,
        -21,  -20,  -19,  -18,  -17,  -16,  -15,  -14,  -13,  -12,  -11,  -10,  -9,   -8,   -7,   -6,   -5,   -4,
        -3,   -2,   -1,   0};
#endif
protected:
    template <typename T1, typename T2>
    __aicore__ inline T1 CeilDiv(T1 a, T2 b)
    {
        if (b == 0) {
            return 0;
        }
        return (a + b - 1) / b;
    };
    __aicore__ inline void ParseTilingData(const LinSpaceTilingData* tilingData, LinSpaceTilingData& m_tilingData);
};

template <typename T>
__aicore__ inline void LinSpaceBase<T>::ParseTilingData(
    const LinSpaceTilingData* tilingData, LinSpaceTilingData& m_tilingData)
{
    m_tilingData.start = tilingData->start;
    m_tilingData.stop = tilingData->stop;
    m_tilingData.scalar = tilingData->scalar;
    m_tilingData.num = tilingData->num;
    m_tilingData.matrixLen = tilingData->matrixLen;
    m_tilingData.realCoreNum = tilingData->realCoreNum;
    m_tilingData.numPerCore = tilingData->numPerCore;
    m_tilingData.tailNum = tilingData->tailNum;
    m_tilingData.innerLoopNum = tilingData->innerLoopNum;
    m_tilingData.innerLoopTail = tilingData->innerLoopTail;
    m_tilingData.innerTailLoopNum = tilingData->innerTailLoopNum;
    m_tilingData.innerTailLoopTail = tilingData->innerTailLoopTail;
    m_tilingData.outerLoopNum = tilingData->outerLoopNum;
    m_tilingData.outerLoopNumTail = tilingData->outerLoopNumTail;
    m_tilingData.outerTailLoopNum = tilingData->outerTailLoopNum;
    m_tilingData.outerTailLoopNumTail = tilingData->outerTailLoopNumTail;
    m_tilingData.tilingKey = tilingData->tilingKey;
}

} // namespace LinSpace

#endif // LinSpace_BASE_H
